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pro vyhledávání: '"Marinus J.A. Werger"'
Autor:
E. van der Maarel, Marinus J.A. Werger
biological attributes of the three species according to the sequence in which they invade successively as a conse Studies on sample plots in Halimione portulacoides com munities show that environmental disturbances, either quence of environmental
Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the collapse, of communist states. Excessive ploughing and vast influx of people into the steppe zone led to a
Autor:
Marinus J.A. Werger, A.C. van Bruggen
Southern Africa is certainly not a naturally bounded area so that there are several possibilities for delineating it and concepts about its extent. Wellington• discussed the various possibilities for delineation and suggested that one line stands o